import type { NodeFn } from "../types.js";
import type { ONIMessage } from "../graph.js";
export interface ONITool {
    name: string;
    description: string;
    schema?: Record<string, unknown>;
    fn: (args: Record<string, unknown>) => Promise<unknown> | unknown;
}
export declare function createToolNode(tools: ONITool[]): NodeFn<{
    messages: ONIMessage[];
}>;
export declare function toolsCondition(state: {
    messages: ONIMessage[];
}): "tools" | "__end__";
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